Home / 7,138,740.07-9,851,575.76-3,875,552.20

Finding the Fourth Proportional to 7,138,740.07, 9,851,575.76 and 3,875,552.20

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Solution

The fourth proportional to 7,138,740.07, 9,851,575.76 and 3,875,552.20 is: 5,348,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,740.07 : 9,851,575.76 = 3,875,552.20 : x
  2. Step 2: Convert to fraction form
    7,138,740.07/9,851,575.76 = 3,875,552.20/x
  3. Step 3: Cross multiply
    7,138,740.07x = 9,851,575.76 × 3,875,552.20
  4. Step 4: Simplify right side
    7,138,740.07x = 38,180,296,110,134.67
  5. Step 5: Solve for x
    x = 38,180,296,110,134.67/7,138,740.07
  6. Step 6: Final answer
    x = 5,348,324.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.